﻿//
// Copyright (c) 2011 HyperCrunch, Inc. http://www.hypercrunch.com 
// Author: Nik Kalyani  http://www.kalyani.com (Twitter: @techbubble)
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated 
// documentation files (the "Software"), to deal in the Software without restriction, including without limitation 
// the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and 
// to permit persons to whom the Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or substantial portions 
// of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED 
// TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF 
// CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 
// DEALINGS IN THE SOFTWARE.
//

using System.Collections.Generic;
using System.Collections;
using System.Collections.Specialized;
using System;
using DotNetNuke.Security;

namespace HyperCrunch.Druid.RuleMatchers
{
    public class RoleMembershipMatcher : RuleMatcherBase, IRuleMatcher
    {
        public bool Match(UIContext uiContext, string matchField, string matchValues, MatchConditionType matchCondition)
        {
            List<string> matchValuesList = new List<string>(matchValues.Split(';'));
            switch (matchCondition)
            {
                case MatchConditionType.Equal:
                case MatchConditionType.InList:
                    if (!uiContext.Context.Request.IsAuthenticated) return false;
                    foreach (string matchItem in matchValuesList)
                        if (PortalSecurity.IsInRole(matchItem)) return true;
                    break;
                case MatchConditionType.NotEqual:
                case MatchConditionType.NotInList:
                    if (!uiContext.Context.Request.IsAuthenticated) return true;
                    bool isMatch = false;
                    foreach (string matchItem in matchValuesList)
                    {
                        if (PortalSecurity.IsInRole(matchItem))
                        {
                            isMatch = true;
                            break;
                        }
                    }
                    return !isMatch;
                case MatchConditionType.LessThan:
                case MatchConditionType.LessThanEqual:
                case MatchConditionType.GreaterThan:
                case MatchConditionType.GreaterThanEqual:
                case MatchConditionType.StartsWith:
                case MatchConditionType.EndsWith:
                case MatchConditionType.Contains:
                    return false;
            }
            return false;
        }
    }
}
